Solve using the addition principle.x + 
= 
A. 
B. 
C. 
D. 1
Answer: A
Mathematics
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Find the values of x for which the geometric series converges.
A. 0 < x < 
B. 0 < x < 1
C. - 
< x < 
D. - 1 < x < 0
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).sin 4? = 
A. 
, 
, 
, 
, 
, 
, 
, 
B. 0, 
, ?
C. 
, 
D. 0
Mathematics
Solve the problem.If n(A) = 51, n(B) = 31, and n(A ? B) = 12, find n(A ? B).
A. 94 B. 82 C. 58 D. 70
Mathematics
Solve the problem.A rotating beacon is located 7 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 7|sec 2?t|,where t is in seconds, find a when t = 0.35 seconds. Round your answer to the nearest hundredth.
A. -11.91 ft B. 11.91 ft C. 15.42 ft D. 13.66 ft
Mathematics